Measure of angle of elevation of top of towere 57root3high from a point 57 from the foot of tower
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60° is the angle 50√3 /50= √3 = tan 60°
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Height of the tower ( AB ) = 57√3
Distance from foot of the tower to
observer ( BC ) = 57
In ∆ABC , <B = 90°
Angle of elevation = <ACB
tan <ACB = AB/BC
= ( 57√3 )/57
= √3
= tan 60°
Therefore ,
<ACB = 60°
•••••
Distance from foot of the tower to
observer ( BC ) = 57
In ∆ABC , <B = 90°
Angle of elevation = <ACB
tan <ACB = AB/BC
= ( 57√3 )/57
= √3
= tan 60°
Therefore ,
<ACB = 60°
•••••
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